Dhammapada · 6.6

Selo yathā ekagghano, vātena na samīrati;Evaṃ nindāpasaṃsāsu, na samiñjanti paṇḍitā.

Selo yatha ekagghano, vatena na samirati; Evam nindapasamsasu, na saminjanti pandita.

As a solid rock is not shaken by the wind, so the wise are unmoved amid praise and blame.

— Dhammapada 6.6

Source: Pali text from the Khuddaka Nikāya of the Pali Canon (oldest extant Buddhist scripture, compiled c. 3rd century BCE). Public-domain English readings drawn from F. Max Müller's translation in Sacred Books of the East, Vol X (1881) and the Buddhist Publication Society's freely-licensed Acharya Buddharakkhita rendering.